A pronunciation guide for geologic time units.
A daily crossword puzzle for geology terms.
Solve this daily crossword puzzle by filling in the capital cities of countries.
A list of country flags with SVG images and aspect ratios (proportions).
A pronunciation guide for demonyms.
A pronunciation guide for the names of oceans and seas.
A pronunciation guide for New Zealand place names.
Test your knowledge of flags from around the world.
Flags from around the world.
Test your knowledge of the world's capital cities with this quiz.
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